CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1990-0542

DELTA 1 DEB

DELTA 1 DEB (NORAD 19431) re-entered Earth’s atmosphere on 14 December 1990.

Official dateFragment record
NORAD number
19431
International designator
1975-004HR
Object type
Fragment
Country
United States
Parent launched
22 Jan 1975Vandenberg
Re-entered (UTC)
14 Dec 1990UTC calendar day
Time since launch
15 years, 10 months5,805 days
How it ended
Re-entered (natural decay)
Latitude range
82.0°N to 82.0°SFinal inclination 98.0°

Where it came down

Latitude band its orbit allowed
Exact position not recorded

No position was recorded for this re-entry. Its final orbit, inclined at 98.0°, allowed a re-entry anywhere between 82.0°N and 82.0°S.

Life in orbit

DELTA 1 DEB’s lowest and highest points above Earth, week by week, from its tracking history.

Also ended on 14 Dec 1990

4 entries
1990-0539WESTFORD NEEDLES1990-0540COSMOS 374 DEB *1990-0541DELTA 1 DEB1990-0543COSMOS 2104 DEB

Part of a fragment group

175 on record
175One of 175 fragments of Delta 1 on record →
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Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1990-0542
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